1. To affirm to be correct, true, or genuine: The date of the painting was attested by the appraiser.2a. To certify by signature or oath: attest a will.b. To certify in an official capacity. 3. To supply or be evidence of: Her fine work attests her ability. See synonyms at indicate. 4. To put under oath.
INTRANSITIVE VERB:
To bear witness; give testimony: attested to their good faith.
NOUN:
Archaic Attestation.
ETYMOLOGY:
Latin attestr : ad-, ad- + testr, to be witness (from testis, witness; see trei- in Appendix I).